Home / 1,230,200.80-1,845,592.80-631,254.40

Finding the Fourth Proportional to 1,230,200.80, 1,845,592.80 and 631,254.40

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Solution

The fourth proportional to 1,230,200.80, 1,845,592.80 and 631,254.40 is: 947,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,200.80 : 1,845,592.80 = 631,254.40 : x
  2. Step 2: Convert to fraction form
    1,230,200.80/1,845,592.80 = 631,254.40/x
  3. Step 3: Cross multiply
    1,230,200.80x = 1,845,592.80 × 631,254.40
  4. Step 4: Simplify right side
    1,230,200.80x = 1,165,038,575,608.32
  5. Step 5: Solve for x
    x = 1,165,038,575,608.32/1,230,200.80
  6. Step 6: Final answer
    x = 947,031.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.